Launaea sarmentosa (Willd.) Sch.Bip. ex Kuntze


Cite taxon page as 'WFO (2021): Launaea sarmentosa (Willd.) Sch.Bip. ex Kuntze. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000003627. Accessed on: 18 Sep 2021'

Morphology

A glabrous perennial herb with a prostrate creeping stem; rootstock semi-woody.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
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    Leaves few to numerous, ± densely crowded at the stem base and also in fascicles at the nodes, the leaf fascicles often subtended by 2 broadly ovate-reniform foliaceous bracts; basal leaves subcoriaceous, up to 11(14)-2.5(3) cm., spathulate to oblanceolate, apices rounded-obtuse, margins subentire to denticulate, rarely also sinuate-dentate to lobed, bases attenuate often subauriculate below; fascicle leaves similar but usually smaller.

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    Stems up to c. 1.4 m. long, flagelliforrn, usually solitary, simple or sometimes branched, often rooting at the nodes, internodes c. 5–15 cm. long.

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    Florets 12–20 per capitulum; corollas yellow, c. 15 mm. long, ligule c. 7 mm. long, lorate.

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    • Source: [
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    Capitula solitary or few from the rootcrown and at the nodes; stalks 1–3 cm. long, simple, bracteate; involucres 10–13 x 3–4 mm. in flowering capitula, up to c. 15 x 5 mm. long in fruiting capitula, narrowly oblong-cylindrical; phyllaries imbricate, increasing uniformly from 3–4 mm. long and ovate on the outside to 13–15 mm. long and lanceolate on the inside, all eventually swollen and corky towards the base.

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    • Source: [
    • 6
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    Achenes greyish-brown, 4–5 x 1.5 mm., subfusiform-cylindric, with c. 5 ± inflated spongy ribs; pappus copious of fine, white, minutely barbellate setae 9 mm. long.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
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    Fig. 26.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
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    Achenes grey-brown, cylindric, 3.5–5 mm long, with slightly spongy ribs; pappus of fine setae 6–10 mm long.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
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    Perennial stoloniferous herb; stems prostrate, to 1 m long, glabrous, rooting at the nodes and forming new rosettes there, usually unbranched; rootstock semi-woody, long.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
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    Capitula solitary or few, from the root-crown, also at the nodes; stalks of individual capitula 1–3 cm long, simple, bracteate; involucre narrowly cylindric, 10–15 mm long; phyllaries green, lanceolate, 2–15 mm long, obtuse, glabrous or minutely ciliate distally.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
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    Leaves few to many, crowded at stem base, in little fascicles at the nodes, glaucous, sub-succulent, oblanceolate to spatulate, 1–11(–14) cm long, 0.5–2.5(–3) cm wide, base attenuate, subauriculate at the stem, margins entire to denticulate, rarely lobed, apex rounded or obtuse, glabrous; the fascicles often subtended by two broadly ovate bracts.

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    • Source: [
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    Florets 12–20 per capitulum; corolla yellow, tube 8 mm long, ligule 3–7 mm long.

  • Provided by: [B].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Perennial stoloniferous herb; stems prostrate, to 1 m long, glabrous, rooting at the nodes and forming new rosettes there, usually unbranched; rootstock semi-woody, long. Leaves few to many, crowded at stem base, in little fascicles at the nodes, glaucous, sub-succulent, oblanceolate to spatulate, 1-11(-14) cm long, 0.5-2.5(-3) cm wide, base attenuate, subauriculate at the stem, margins entire to denticulate, rarely lobed, apex rounded or obtuse, glabrous; the fascicles often subtended by two broadly ovate bracts. Capitula solitary or few, from the root-crown, also at the nodes; stalks of individual capitula 1-3 cm long, simple, bracteate; involucre narrowly cylindric, 10-15 mm long; phyllaries green, lanceolate, 2-15 mm long, obtuse, glabrous or minutely ciliate distally. Florets 12-20 per capitulum; corolla yellow, tube 8 mm long, ligule 3-7 mm long. Achenes grey-brown, cylindric, 3.5-5 mm long, with slightly spongy ribs; pappus of fine setae 6-10 mm long.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
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    Habitat

    Near the high water mark on sandy beaches, in sand dunes, on coral; may be locally common.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
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    Distribution

    Kenya, Tanzania, Mozambique, South Africa, Madagascar, Seychelles, Reunion, Mauritius, India to China and W Australia.

  • Provided by: [C].e-Flora of South Africa
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     Information From

    Compositae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • A CC0 1.0 Universal (CC0 1.0).
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • B
    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
    • C All Rights Reserved
    Plants Of the World Online Portal - FZ
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • D
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).